Free online AIFF-to-M4B converter — upload a AIFF file and download a M4B. Fast, private, no signup.
Drop your AIFF file into the converter above — we auto-detect the real format from its bytes, convert it, and give you a M4B to download. No software to install.
Yes. Convert AIFF to M4B for free right in your browser, with no account needed to get started.
Your file is transferred over an encrypted connection and anonymous uploads are temporary. You can also view and strip metadata (location, device, author) before you download.
Apple/SGI uncompressed audio interchange. MPEG-4 audiobook (AAC, with chapter support).
Convert AIFF to: MP3 · WAV · FLAC · M4A · AAC · AC3 · M4R · OGG · OPUS · WV
Convert to M4B from: AAC · AC3 · AMR · APE · FLAC · M4A · M4R · MP3 · OGG · OPUS